<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/html">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
<div>
    <h1>登录页面</h1>
    <input type="text" placeholder="用户名"  v-model="user.username"></br>
    <input type="password" placeholder="密码" v-model="user.password"></br>
    <input type="button" value="登录" @click="login()">
</div>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
 <script src="https://cdn.staticfile.org/vue/2.2.2/vue.min.js"></script>
     <script>
         let v = new Vue({
             el:"body>div",
             data:{
                 user:{
                     username:"",
                     password:""
                 }
             },
             methods:{
                 login(){
                     axios.post("/login",v.user).then(function (response) {
                         if(response.data==1){
                             alert("登录成功")
                         }else if(response.data==2){
                             alert("用户不存在")
                             location.href="/";
                         }else {
                             alert("密码错误")
                             location.href="/";
                         }

                     })
                 },

             }

         })
     </script>
</body>
</html>